a {
  color: #000;
}
* {
  box-sizing: border-box;
}
body {
  font-size: 14px;
}
header {
  width: 100%;
}
header .nav-top {
  line-height: 40px;
  text-align: right;
  border-bottom: 1px solid #e6e6e6;
}
header .nav-top .login-nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}
header .nav-top .login-nav > a {
  display: inline-block;
  padding: 0 10px;
  font-size: 15px;
  color: #666;
}
header .nav-top .login-nav > a:hover {
  text-decoration: underline;
}
header nav {
  max-width: 1200px;
  height: 74px;
  margin: 0 auto;
  background: #fff;
  padding: 0 15px;
}
header nav .logo {
  display: flex;
  align-items: center;
  float: left;
  height: 100%;
}
header nav .logo img {
  height: 95%;
}
header nav .nav-ver {
  float: right;
}
header nav .nav-ver > ul {
  line-height: 70px;
  text-align: center;
}
header nav .nav-ver > ul li {
  float: left;
  position: relative;
}
header nav .nav-ver > ul li a {
  display: inline-block;
  position: relative;
  font-size: 17px;
  padding: 0 30px;
}
header nav .nav-ver > ul li a:hover {
  color: #ce3737;
}
header nav .nav-ver > ul li a::after {
  content: '';
  width: 0;
  height: 3px;
  background-color: #ce3737;
  position: absolute;
  top: 100%;
  left: 5%;
  transition: all 0.6s;
}
header nav .nav-ver > ul li a:hover:after {
  width: 90%;
}
header nav .nav-ver > ul li .drop {
  position: absolute;
  margin-top: 3px;
  background: #fff;
  display: none;
  animation-name: dropmenu;
  animation-duration: 0.5s;
}
header nav .nav-ver > ul li .drop li {
  border-bottom: 1px solid rgba(255, 255, 255, 0);
  box-shadow: 0px 0px 2px #d4d4d4;
}
header nav .nav-ver > ul li:hover .drop {
  display: block;
}

@keyframes dropmenu {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

header nav .nav-ver .drop-menu {
  display: none;
  position: absolute;
  z-index: 99;
  width: 100%;
}
header nav .nav-ver .drop-menu > label {
  display: flex;
  align-items: center;
  float: right;
  height: 50px;
  padding-right: 5%;
  text-align: center;
  font-size: 13rem;
}

header nav .nav-ver .drop-menu input {
  display: none;
}
header nav .nav-ver .drop-menu > ul {
  display: none;
  width: 65%;
  margin-left: 35%;
  margin-top: 50px;
  background-color: #fff;
  overflow: hidden;
}
header nav .nav-ver .drop-menu > ul li {
  line-height: 10vw;
  text-align: center;
  border-bottom: 1px solid rgba(88, 88, 88, 0.1);
  box-shadow: 0px 0px 1px #d4d4d4;
}
header nav .nav-ver .drop-menu > ul li a {
  display: block;
  width: 100%;
}
header nav .nav-ver .drop-menu > ul li .drop {
  display: none;
  background: #f8f8f8;
}
header nav .nav-ver .drop-menu > ul li .drop li {
  line-height: 7vw;
  box-shadow: 0px 0px 2px #fff;
}
header nav .nav-ver .drop-menu > ul li .drop li a {
  color: #666;
}
header nav .nav-ver .drop-menu input:checked + ul {
  display: block;
}

/* 主体 */
article {
  padding: 0 5px;
  background: #f5f5f5;
  box-shadow: 2px 2px 3px #eeeeee;
  overflow: hidden;
}
/* 面包屑 */
article .breadcrumb-box {
  background-color: #fff;
  box-shadow: 2px 2px 3px #eeeeee;
}
article .breadcrumb-box .breadcrumb {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 10px;
  line-height: 50px;
}
article .breadcrumb-box .breadcrumb a {
  font-size: 15px;
}
article .breadcrumb-box .breadcrumb a:hover {
  color: #ce3737;
  text-decoration: underline;
}

footer {
  padding: 25px 0;
  background: brown;
  color: #e6e6e6;
}
footer .footer {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}
.activeHref {
  color: brown;
}

/* 移动端样式 */
@media screen and (max-width: 767px) {
  html {
    font-size: 0px;
  }

  header .nav-top {
    display: none;
  }

  header nav {
    height: 50px;
    box-shadow: 2px 2px 3px #666;
    padding-left: 5%;
  }
  header nav .logo img {
    height: 90%;
  }
  header nav .nav-ver > ul {
    display: none;
  }
  header nav .nav-ver .drop-menu > ul li a,
  header nav .nav-ver .drop-menu > ul li label {
    font-size: 12rem;
  }
  header nav .nav-ver {
    position: absolute;
    right: 0;
    width: 100%;
  }
  header nav .nav-ver .drop-menu {
    display: block;
  }

  footer p {
    font-size: 9rem;
  }
}

/* 平板端样式 */
@media screen and (min-width: 768px) and (max-width: 992px) {
  /* 在此处编写平板端样式 */
  header nav .nav-ver > ul li a {
    padding: 0 20px;
  }
}

/* 桌面端样式 */
@media screen and (min-width: 992px) {
  /* 在此处编写桌面端样式 */
}
